body{
  background: url(../images/back.png) no-repeat;
  background-position: center;
}

ul,li{list-style:none;}

#slider{
  height:400px;
  margin-bottom: 10px;
}

#index_slider{
  height:400px;
  background-color: #f6f7fb;
  margin-bottom: 10px;
}

/* index_slider */
#index_slider{height:400px;overflow:hidden;position:relative;}
#index_slider ul{height:400px;position:absolute;}
#index_slider ul li{float:left;width:1000px;height:400px;overflow:hidden;position:relative;background:#000;}
#index_slider ul li div{position:absolute;overflow:hidden;}
#index_slider .btnBg{position:absolute;width:1000px;height:20px;left:0;bottom:0;background:#000;}
#index_slider .btn{position:absolute;width:980px;height:20px;padding:5px 10px;right:0;bottom:0;text-align:right;}
#index_slider .btn span{display:inline-block;_display:inline;_zoom:1;width:25px;height:10px;_font-size:0;margin-left:5px;cursor:pointer;background:#fff;}
#index_slider .btn span.on{background:#fff;}
#index_slider .preNext{width:45px;height:100px;position:absolute;top:150px;background:url(../images/sprite.png) no-repeat 0 0;cursor:pointer;}
#index_slider .pre{left:0;}
#index_slider .next{right:0;background-position:right top;}